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16-letter words containing r, a, b, o

  • paratuberculosis — Johne's disease.
  • peach tree borer — the larva of any of several clearwing moths, as Sanninoidea exitiosa, that bore into the wood of the peach and other drupaceous trees.
  • performance bond — contract bond.
  • permafrost table — the variable surface constituting the upper limit of permafrost. Compare frostline (def 2).
  • personal liberty — the liberty of an individual to do his or her will freely except for those restraints imposed by law to safeguard the physical, moral, political, and economic welfare of others.
  • photograph album — bound book for photos
  • platform-balance — a scale with a platform for holding the items to be weighed.
  • pocket billiards — pool2 (def 1).
  • poor boy sweater — a snug-fitting, pullover sweater with ribbing on both the body and sleeves, worn by girls and women.
  • port phillip bay — a bay in SE Australia: the harbor of Melbourne. 31 miles (50 km) long; 25 miles (40 km) wide.
  • portable airtime — (communications, wireless)   A wireless, digital communications system enabling user-to-user voice communication, "quicknotes", and alphanumeric messaging.
  • potato tuberworm — the larva of the potato moth.
  • presentation box — a specially designed and attractive box to hold a product, and make it look more impressive
  • pribilof islands — a group of islands in the Bering Sea, off SW Alaska, belonging to the US: the breeding ground of the northern fur seal. Area: about 168 sq km (65 sq miles)
  • pro-abolitionist — (especially prior to the Civil War) a person who advocated or supported the abolition of slavery in the U.S.
  • proslambanomenos — the lowest note of the scale in ancient Greek music
  • public relations — (used with a plural verb) the actions of a corporation, store, government, individual, etc., in promoting goodwill between itself and the public, the community, employees, customers, etc.
  • public transport — fare-paying travel
  • rack one's brain — If you rack your brains, you try very hard to think of something.
  • rag-and-bone man — a peddler who buys and sells used clothes, rags, etc.; junkman.
  • rainbow lorikeet — a small Australasian parrot, Trichoglossus haematodus, with brightly-coloured plumage
  • rainbow seaperch — an embiotocid fish, Hypsurus caryi, living off the Pacific coast of North America, having red, orange, and blue stripes on the body.
  • raise an eyebrow — If something causes you to raise an eyebrow or to raise your eyebrows, it causes you to feel surprised or disapproving.
  • rambunctiousness — difficult to control or handle; wildly boisterous: a rambunctious child.
  • ramen profitable — If a startup business is ramen profitable, it is barely profitable, just enough to allow the founder to live on the cheapest diet.
  • random vibration — Random vibration is a type of forced vibration in which the motion follows no regular pattern.
  • razor-billed auk — a black and white auk, Alca torda, of the American and European coasts of the northern North Atlantic, having a compressed black bill encircled by a white band.
  • reaction chamber — the chamber in a rocket engine in which the reaction or combustion of fuel occurs
  • reaction turbine — a turbine driven by the reactive force of a fluid passing through the rotor blades.
  • reasonable doubt — law: grounds for believing sb is innocent
  • rectus abdominis — a long flat muscle that extends along the whole length of both sides of the abdomen. It flexes the vertebral column, particularly the lumbar portion; it also tenses the anterior abdominal wall and assists in compressing the abdominal contents
  • redbank whiteoak — a city in S Tennessee.
  • redistributional — a distribution performed again or anew.
  • reserve buoyancy — the difference between the volume of a hull below the designed waterline and the volume of the hull below the lowest opening incapable of being made watertight.
  • rhabdomyosarcoma — a malignant tumor made up of striated muscle tissue.
  • ribonucleic acid — RNA.
  • right about face — Military. a command, given to a soldier or soldiers at attention, to turn the body about toward the right so as to face in the opposite direction. the act of so turning in a prescribed military manner.
  • right honourable — (in Britain and certain Commonwealth countries) a title of respect for a Privy Councillor or an appeal-court judge
  • robin's plantain — the rattlesnake weed, Hieracium venosum.
  • rough and tumble — characterized by violent, random, disorderly action and struggles: a rough-and-tumble fight; He led an adventuresome, rough-and-tumble life.
  • rough-and-tumble — characterized by violent, random, disorderly action and struggles: a rough-and-tumble fight; He led an adventuresome, rough-and-tumble life.
  • round lake beach — a town in NE Illinois.
  • roundabout chair — corner chair.
  • run the blockade — to go past or through a blockade
  • scarborough lily — a plant, Vallota speciosa, of the amaryllis family, native to southern Africa, having clusters of funnel-shaped, scarlet flowers.
  • school librarian — a librarian who works in or is in charge of a school library
  • self-approbation — approval; commendation.
  • self-elaboration — an act or instance of elaborating.
  • self-lubrication — the process of becoming lubricated without external factors
  • self-observation — an act or instance of noticing or perceiving.
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